1a. emigrated

1b. emigrate

1c. have emigrated

2a. was trying

2b. has been trying

2c. tried

3a. has had a makeover

3b. is having a makeover

3c. had a makeover

4a. has lived/has been living

4b. had lived/had been living

4c. was living

5a. had never used a computer

5b. have never used a computer

5c. never use a computer

6a. Had you eaten falafels

6b. Have you eaten falafels

6c. Did you eat falafels